a = "aaaa"
b = 'bbbbbbbb'
c = '''ccccccccc
bbbbbbbbbbbbbbbb
eeeeeeeeeeeeeeee
cc'''

print(a)
print(b)
print(c)

print('==========================')

"{0} 嘿嘿".format("Python")
a = 100
s = "{0}{1}{2} 嘿嘿"
s2 = s.format(a, "JAVA", "C++")
print(s2)


a = 100
s = "{}{}{} 嘿嘿"
s2 = s.format(a, "JAVA", "C++", "C# ")
print(s2)

s = "{a}{b}{c} 嘿嘿"
s2 = s.format(b="JAVA", a="C++", c="C# ")
print(s2)
